Mine does NOT have pitch control. It just measures the wind speed and relative direction and turns the WT in or out of the wind as needed to control speed....
Jim: Have you measured the generated voltage at different wind velocities ?. Also since I have not paid a lot of attention to this thread ( I 'am sick) what...
Dear All, I designed a HAWT blade based upon S809 profile. The blade was twisted from 20 to 0.3 degrees from r/R 0.2 (root) to blade tip. To form a rotor the...
Hi I'm in a nuclear jonestown That website should have a built-in laugh-track. "INVELOX technology has been reviewed and validated by a technical advisory...
Please review this video and post a comment if you choose. This is a turbine installation in New York State and the neighbor's home is about 750' from the...
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Mike Bergey
mbergey@...
May 14, 2013 2:58 pm
This is what I just posted on this video's page: "This recording is highly inaccurate and misleading because camcorders adjust microphone sound levels to a...
This is a total exaggeration. I'm running the same Bergey turbine here and its sonic signature is easy to ignore. For me in my shop, the inverter cooling fan...
Hey, ... I think we need to be cautious in saying this. A teeny tiny fraction of the time that it is running is not a fair statement. If it is loud 44 hours...
Good point but a lot of those 2 hours a day might be while people are at work etc. Sometimes the big complainers turn out to be "people with too much time on...
Yeah that is pretty far away. The turbine would appear small, not imposingly big as that zoomed photograph implies. A zoomed image, amplified microphone...
Wind, Wave, and Tidal Energy Without Power Conditioning NASA’s Jet Propulsion Laboratory, Pasadena, California Monday, April 01 2013 advertisement: (Embedded...
Thanks for sharing. To me, however, it sounds more like an attempt to grasp government funding. Much energy transformation, line losses and many components...
Hi Mike: Luckily, the Whisper H-4500 broke or burned out? If not, I'd suggest you might be able to geometrically adjust the design to furl a little more...
We had an H-80 that got loud, and later found that the yaw bearings had worn out, allowing the unit to slowly settle until the slip rings had worn out and...
... generator on your wind turbine? You then have nearly constant RPM, power that varies with the windspeed, and no inverter required, and automatic overspeed...
SMA to part ways with the Windy Boy inverter http://www.smainverted.com/2013/05/14/sma-to-part-ways-with-windy-boy-invert ers/ SMA will withdraw from the small...
Hey Jerry: I disagree that a 2.5 kW turbine needs a 5 kW generator. You just said I "keep on burning out generators". No I NEVER burn out generators now. Not...
Claus We all know this stuff. It;s Professor Crackpots who want to jump inti the time machine and go back anywhere from 20 years to 3000 years in wind energy...
If you live near Southern California, come over to my house with a straight-grained 10-foot 2x4 with no knots (grade: clear). Or laminate a blank from a...
Doug, I hope newcomers are lurking. My latest message was an attempt to explain to them, what we are talking about. Sorry being trivial to you, but at least...
Hello Doug and All! We keep hearing from a couple of youse guys about how easy you can make blades and how efficient they are. You've posted several Youtube...
1.5 " Plywood staging planks seem like they are made of the "good" plywood and *might* be a suitable and inexpensive source for blade stock. You can...
